80BTB25H

No. 80 - 1" Pitch - Single - Taperbushed Sprocket

Item #100804402

8.516 in Outside Diameter

2517 Bushing Series

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Product Details

Hardened teeth on the smaller sprocket of a roller chain drive are recommended if the drive ratio is four to one or greater or if the smaller sprocket has 24 teeth or less and is running at a speed of over 600 rpm.

Hardened teeth sprockets afford longer chain and sprocket life
Tolerances meet or exceed ANSI standards
Manufactured of high carbon steel
Precise machining and processes ensure consistent finish and high quality
Chain rows are parallel and precisely spaced to increase longevity of sprocket and chain
Bores are concentric to pitch line, minimizing run out
Interchangeable with other manufacturers’ Taper bushings
Stocked Heat Treat

Specifications

Outside Dia.	8.5160 in
Bushing Bore [Min]	1/2 in
Overall Length Less Threads	N/A
Overall Length	1 3/4 in
Hub Length	1.19 in
Length Through Bore	1 3/4 in
Type	B
Tooth Width	0.575 in
Bushing Type	Taperlock
Material	Steel
Single Strand Tooth Thickness	0.575 in
Inch/Metric	Inch
Hub Dia.	4 1/4 in
Caliper Diameter	7.338 in
Outside Dia. [Min]	8.5160 in
Sprocket Style	B
Hub Projection	1.19 in
Bore Type	Bushed
No. of Teeth	25
Bushing Bore [Max]	2 1/2 in
Martin No.	80BTB25H
Chain No.	80
Width Across Teeth	1.75 in
Chain Pitch	1 in
Hardened Teeth	With Hardened Teeth
Bushing Series	2517
No. of Strands Across	1
Pitch Diameter	7.979 in
Weight	8.14 LB
EAN or UPC	697950043647